The IDA 2 antenna series operates off of several different types of modes. They include:

Spectrum

Direction finding

Level meter

Multi-channel power

Time domain (scope)

I/Q Analysis

Four different models make up this series, with frequency ranges overlapping each other by roughly 20%. Antenna 1 covers the 20 MHz to 250 MHz frequency range, antenna 2 covers the 200 MHz to 500 MHz range, antenna 3 covers 400 MHz to 6 GHz, and the loop antenna in the IDA 2 series covers the 9 kHz to 30 MHz range.